Semilinear elliptic equations in thin regions with terms concentrating on oscillatory boundaries

In this work we study the behavior of a family of solutions of a semilinear elliptic equation, with homogeneous Neumann boundary condition, posed in a two-dimensional oscillating thin region with reaction terms concentrated in a neighborhood of the oscillatory boundary. Our main result is concerned with the upper and lower semicontinuity of the set of solutions. We show that the solutions of our perturbed equation can be approximated with ones of a one-dimensional equation, which also captures the effects of all relevant physical processes that take place in the original problem

Use of dialkyldithiocarbamato complexes of bismuth(III) for the preparation of nano- and microsized Bi2S3 particles and the X-ray crystal structures of [Bi{S2CN(CH3)(C6H13)}(3)] and [Bi{S2CN(CH3)(C6H13)}(3)(C12H8N2)]

A range of bismuth(III) dithiocarbamato complexes were prepared and characterized. The X-ray crystal structures of the compounds [Bi{S2CN(CH3)(C6H13)}3] (1) and [Bi{S2CN(CH3)- (C6H13)}3(C12H8N2)] (2) are reported. The preparation of Bi2S3 particulates using a wet chemical method and involving the thermalysis of Bi(III) dialkyldithiocarbamato complexes is described. The influence of several experimental parameters on the optical and morphological properties of the Bi2S3 powders was investigated. Nanosized Bi2S3 colloids were obtained having long-term stability and showing a blue shift on the optical band edge; the presence of particles exhibiting quantum size effects is discussed. Morphological welldefined Bi2S3 particles were obtained in which the fiber-type morphology is prevalent.FCT - POCTI/1999/CTM/ 3545

Guidance as a quality element in the Faculty of Educational Sciences in the University of Santiago de Compostela

[EN] The current social framework, characterized by complexity and change, requires new competences and qualifications, as well as professional profiles consistent with existing demands. Among the real transformations, stand out, for their relevance in the present work, those concerning the educational system, which has to expand its traditional role, with the University altogether, focused on the creation and transmission of culture and professional training, towards thestudent comprehensive formation. It is in this context, as a result of the approaches nominated by the European Higher Education Area (EHEA), where the need to provide personal attention to students is stated and also to promote a greater autonomy in learning, always considering the decisive period that the university educational stage is in their lives, so Guidance actions have to be considered basic and essential. There is a lot of research made about the guidance needs of university students, as well as those that assess Guidance services in such stage, assuming all of them a rethinking of such discipline in the university context. That is why this paper focuses on the Guidance actions conducted with students of the Faculty of Educational Sciences of the University of Santiago de Compostela (Campus Vida), with the basic aim of analyzing this reality and claim, if it is necessary, the proper fulfillment of the commitments in the personal attention area, where Guidance takes an important role.[ES] El entramado social actual, caracterizado por la complejidad y el cambio, exige la adopción de nuevas competencias y cualificaciones, así como perfiles profesionales acordes con las demandas existentes. Entre las transformaciones acontecidas, destacan, por su relevancia en el presente trabajo, las referidas al sistema educativo, el cual, junto con la Universidad, ha de ampliar su cometido tradicional, centrado en la creación y transmisión de cultura y capacitación de profesionales, hacia la capacitación integral del alumno/a. Es, en este contexto, como consecuencia de los planteamientos postulados por el Espacio Europeo de Educación Superior (EEES), en donde se manifiesta la necesidad de ofrecer una atención personalizada al estudiante y promover mayor autonomía en su aprendizaje, considerando constantemente el momento decisivo que la etapa educativa universitaria constituye en su vida, por lo que las acciones de Orientación han de considerarse básicas e imprescindibles. Son muchas las investigaciones realizadas sobre las necesidades orientadoras de los estudiantes universitarios, así como aquéllas que evalúan los servicios de Orientación en dicha etapa, suponiendo todas ellas un replanteamiento de dicha disciplina en el contexto universitario. Es por esto que el presente trabajo centra su atención en las acciones de Orientación llevadas a cabo con el alumnado de la Facultad de Ciencias de la Educación de la Universidad de Santiago de Compostela (Campus Vida), con la pretensión básica de analizar esta realidad y reclamar, en caso de necesidad, el cumplimiento adecuado de los compromisos en materia de atención personalizada, en donde la Orientación cobra un papel relevante.Ceinos, C.; Nogueira, MA. (2016). La Orientación como elemento de calidad en la Facultad de Ciencias de la Educación de la Universidad de Santiago de Compostela. REDU. Revista de Docencia Universitaria. 14(2):205-223. doi:10.4995/redu.2016.5934.SWORD20522314

An approach to comfort in 3D printed clothing

A prototipagem rápida (3D) tem se apresentado como uma promissora técnica de produção. Diante do fato, diversas questões surgem com relação a mudança nos processos de produção, nomeadamente a percepção do conforto nos produtos obtidos por esta tecnologia. O presente artigo faz uma revisão acerca do conforto, das técnicas de impressão 3D e apresenta uma breve reflexão entre o conforto e os produtos vestíveis.The rapid prototyping (3D) has become a promise of production techniques. Faced with the fact, several questions arise regarding the change in the production process, namely the perception of comfort in the products obtained by this technology. This paper reviews the background of 3D printing techniques and presents a brief reflection between comfort and wearable products.info:eu-repo/semantics/publishedVersio

The emergence of <i>Pax7</i>-expressing muscle stem cells during vertebrate head muscle development

Pax7 expressing muscle stem cells accompany all skeletal muscles in the body and in healthy individuals, efficiently repair muscle after injury. Currently, the in vitro manipulation and culture of these cells is still in its infancy, yet muscle stem cells may be the most promising route towards the therapy of muscle diseases such as muscular dystrophies.It is often overlooked that muscular dystrophies affect head and body skeletal muscle differently. Moreover, these muscles develop differently. Specifically, head muscle and its stem cells develop from the non-somitic head mesoderm which also has cardiac competence. To which extent head muscle stem cells retain properties of the early head mesoderm and might even be able to switch between a skeletal muscle and cardiac fate is not known. This is due to the fact that the timing and mechanisms underlying head muscle stem cell development are still obscure. Consequently, it is not clear at which time point one should compare the properties of head mesodermal cells and head muscle stem cells.To shed light on this, we traced the emergence of head muscle stem cells in the key vertebrate models for myogenesis, chicken, mouse, frog and zebrafish, using Pax7 as key marker. Our study reveals a common theme of head muscle stem cell development that is quite different from the trunk. Unlike trunk muscle stem cells, head muscle stem cells do not have a previous history of Pax7 expression, instead Pax7 expression emerges de-novo. The cells develop late, and well after the head mesoderm has committed to myogenesis. We propose that this unique mechanism of muscle stem cell development is a legacy of the evolutionary history of the chordate head mesoderm

Towards a knowledge-based system to assist the Brazilian data-collecting system operation

A study is reported which was carried out to show how a knowledge-based approach would lead to a flexible tool to assist the operation task in a satellite-based environmental data collection system. Some characteristics of a hypothesized system comprised of a satellite and a network of Interrogable Data Collecting Platforms (IDCPs) are pointed out. The Knowledge-Based Planning Assistant System (KBPAS) and some aspects about how knowledge is organized in the IDCP's domain are briefly described